•In 1992, Pope John Paul II formally proclaimed that the Roman Catholic Church had erred in condemning the astronomer Galileo for holding that the Earth was not the center of the universe.

Ten years ago: Authorities charged the two Washington sniper suspects with murder in a Louisiana attack that came just two days after a similar slaying in Alabama.

Five years ago: Three lead defendants in the 2004 Madrid train bombings were found guilty of mass murder and other charges, but four other top suspects were convicted on lesser charges and an accused ringleader was completely acquitted in the attacks that killed 191 people.

One year ago: Palestinians won their greatest international endorsement yet with full membership in UNESCO, but the move prompted the U.S. to cut off payments to the Paris-based cultural agency.